| 八通道嵌入式探伤系统软件设计 |
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| 引用本文： | 李晶.八通道嵌入式探伤系统软件设计[J].无损检测,2011(3):55-58. |
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| 作者姓名： | 李晶 |
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| 作者单位： | 南京航空航天大学信息科学与技术学院; |
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| 摘 要： | 介绍了一种八通道超声波探伤系统软件设计方案。嵌入式软件基于嵌入式Linux和Qt/Embedded开发,采用了层次化和模块化的设计思想。重点研究该软件系统实现的若干关键技术：利用Linux异步通知和Qt的用户事件机制,实现了驱动程序到应用程序八通道实时数据传输;利用FPGA运算与应用软件处理相结合,实现八通道实时声光报警;利用Qt的文件类库和Linux的系统调用,实现探伤文件系统等。系统运行正常,各项指标符合设计要求,性能测试表明该方案合理可行。
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| 关 键 词： | 超声波探伤 八通道系统 软件设计 |
Design of 8-Channel Ultrasonic Testing System Software |
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| LI Jing.Design of 8-Channel Ultrasonic Testing System Software[J].Nondestructive Testing,2011(3):55-58. |
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| Authors: | LI Jing |
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| Affiliation: | LI Jing(College of Information Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | A software solution of 8-channel ultrasonic testing system is presented in this paper.The embedded software system is based on embedded Linux and Qt/Embedded,using hierarchical design and modular design.The study of this paper places emphasis on the key technologies of software system.The 8-channel real-time data transfer from kernel space to user space is realized by Linux asynchronous notification and Qt custom event.The 8-channel real-time audio and shining alarming system is realized by the combination ... |
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| Keywords: | Ultrasonic testing 8-channel system Software design |
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